- Machine bolts are most commonly used in construction applications.
- Machine bolts tolerances are typically less precise than those of cap screws.
- Unlike cap screws, does not have a washer face or a machined point.
DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 1/4"
- Thread Pitch: 20
- Diameter (Dimension): 0.25"
- Diameter (Minimum): 0.237"
- Diameter (Maximum): 0.26"
- Length (Nominal): 3"
- Thread Length (Nominal): 0.75"
- Across Flats (Basic): 3/8"
- Across Flats (Minimum): 0.362"
- Across Flats (Maximum): 0.375"
- Head Height, Overall: 0.172"
- Head Height, Overall (Minimum): 0.156"
- Head Height, Overall (Maximum): 0.188"
PRODUCT ATTRIBUTES- Category: Machine Bolts
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Square Head
- Drive Style: External Square Drive
- Thread Direction: Right-Hand Thread
- Material: Steel
- Material Grade: Low Carbon Steel
- Coating: Uncoated
- Origin: Origin Undefined
- Standards and Specifications: ASME B18.2.1
Product UPC Code:
698435032705
- Head Height, Overall:
- 0.172"
- Diameter (Nominal):
- 1/4"
- Length (Nominal):
- 3"
- Drive Style:
- External Square Drive
- System of Measurement:
- Inch
- Head Style:
- Square Head
- Thread Pitch:
- 20
- Brand:
- Aspen Fasteners
- Category:
- Machine Bolts
- Diameter (Dimension):
- 0.25"
- Shop by System of Measurement:
- Inch
- Thread Direction:
- Right-Hand Thread
- Coating:
- Uncoated
- Order:
- Machine Thread Fasteners
- Thread Length (Nominal):
- 0.75"
- Standards and Specifications:
- ASME B18.2.1
- Material Grade:
- Low Carbon Steel
- Shop by Material:
- Steel
- Across Flats (Basic):
- 3/8"
- Product Class:
- Externally Threaded Fasteners
- Material:
- Steel
- Origin:
- Origin Undefined
- cad_3d_viewer_url:
- https://3d.aspenfasteners.com/viewer/?cad_model=obj/BO034-1420X3
- POS:
- BO034-1420X3-001000
- cad_3d_file_url:
- https://3d.aspenfasteners.com/assets/obj/BO034-1420X3.zip
- specifications_document_url:
- https://www.aspenfasteners.com/content/2D_PDF/product75/BO034-1420X3.PDF
- Diameter (Maximum):
- 0.26"
- Diameter (Minimum):
- 0.237"
- Across Flats (Minimum):
- 0.362"
- Head Height, Overall (Minimum):
- 0.156"
- Across Flats (Maximum):
- 0.375"
- Head Height, Overall (Maximum):
- 0.188"
